5-(chloromethyl)-1,3,4-thiadiazol-2-amine

[(E)-(5-chlorothiophen-2-yl)methylideneamino]thiourea

5-methyl-thiophene-2-carbaldehyde-thiosemicarbazone

4-甲氧基苯甲醛缩氨基脲

[(E)-(2,4-dimethylphenyl)methylideneamino]thiourea